42539385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21323}}^1$

素因数の和:21357

約数の個数: 32

約数和(自身を含む): 81884160

約数和(自身を除く): 39344775

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 21323, 63969, 106615, 149261, 319845, 405137, 447783, 746305, 1215411, 2025685, 2238915, 2835959, 6077055, 8507877, 14179795, 42539385]

約数ペア:

[(1, 42539385), (3, 14179795), (5, 8507877), (7, 6077055), (15, 2835959), (19, 2238915), (21, 2025685), (35, 1215411), (57, 746305), (95, 447783), (105, 405137), (133, 319845), (285, 149261), (399, 106615), (665, 63969), (1995, 21323)]